Dilatator



FIG. 1 is a left side perspective view of a dilatator in accordance with the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines immediately adjacent the shaded area, in FIG. 7, represent the bounds of the claimed design; the broken lines form no part of the claimed design. 

The ornamental design for a dilatator, as shown and described. 